Landon Curt Noll
61172e5f88
We updated ${CSILENCE} Makefile variables for entries in an attempt to
minimize compiler warnings. This was tested using
gcc version 11.4.1 20230605 (Red Hat 11.4.1-2) (GCC).
TODO: Recheck macOS clang to see if any new warnings have occur
under macOS clang.
401 lines
11 KiB
Makefile
401 lines
11 KiB
Makefile
#!/usr/bin/env make
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#
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# IOCCC 2018 winning entry - mills
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################################################################################
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#
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# IOCCC winning entry code may not work on your system. What was liked/allowed
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# and worked in the past may no longer be liked/allowed or compile/run today.
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#
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# Bug fixes, corrections and typo fixes are VERY WELCOME. If you see a problem,
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# first check this URL for a list of known bugs and (mis)features of IOCCC entries:
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#
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# https://www.ioccc.org/bugs.html
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#
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# GitHub pull requests are welcome! Please see the above URL for details.
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#
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################################################################################
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#
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# This file is Copyright (c) 2023 by Landon Curt Noll. All Rights Reserved.
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# You are free to share and adapt this file under the terms of this license:
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#
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# Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
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#
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# For more information, see: https://creativecommons.org/licenses/by-sa/4.0/
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#############################
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# shell used by this Makefile
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#############################
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#
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SHELL= bash
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#######################
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# common tool locations
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#######################
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#
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include ../../var.mk
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# Common C compiler warnings to silence
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#
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CSILENCE= -Wno-gnu-empty-initializer -Wno-missing-field-initializers \
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-Wno-misleading-indentation -Wno-pedantic -Wno-strict-prototypes
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# Common C compiler warning flags
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#
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CWARN= -Wall -Wextra -pedantic ${CSILENCE}
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# Compiler standard
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#
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CSTD= -std=gnu17
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# Compiler bit architecture
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#
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# Some entries require 32-bitness: ARCH= -m32
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# Some entries require 64-bitness: ARCH= -m64
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#
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ARCH=
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# Defines that are needed to compile
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#
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CDEFINE=
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# Include files that are needed to compile
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#
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CINCLUDE=
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# Optimization
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#
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OPT= -O3
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# Default flags for ANSI C compilation
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#
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CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
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# Libraries needed to build
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#
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LDFLAGS=
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# C compiler to use
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#
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CC= cc
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# Compiler add-ons or replacements for clang only
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#
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ifeq "$(findstring $(CLANG),${CC})" "$(CLANG)"
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#
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CSILENCE+= -Wno-implicit-int-conversion -Wno-missing-variable-declarations \
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-Wno-poison-system-directories -Wno-shorten-64-to-32 \
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-Wno-unsafe-buffer-usage
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#
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CWARN+= -Weverything
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#
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endif
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# Specific add-ons or replacements for gcc only
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#
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ifeq "$(findstring $(GCC),${CC})" "$(GCC)"
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#
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#CSILENCE+=
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#
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#CWARN+=
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#
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endif
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##############################
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# Special Makefile variables for this entry
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##############################
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#
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ENTRY= mills
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PROG= prog
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#
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OBJ= ${PROG}.o
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CSRC= ${PROG}.o
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DATA=
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TARGET= ${PROG} v0 v6
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#
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ALT_OBJ=
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ALT_TARGET=
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# NOTE: These URLs record the location of where v0.image.fs and v6.tape.gz
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# were obtained at the time this entry won IOCCC25. We have preserved
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# the state of those files in this Makefile. These URLs are left here
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# for historical purposes and for those who may wish to re-download
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# these two files later on.
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#
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IMAGE_FS_URL= https://raw.githubusercontent.com/DoctorWkt/pdp7-unix/master/binaries/image.fs
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V6_TAPE_URL= https://www.tuhs.org/Archive/Distributions/Research/Ken_Wellsch_v6/v6.tape.gz
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#################
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# build the entry
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#################
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#
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all: data ${TARGET}
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@${TRUE}
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.PHONY: all alt data everything diff_orig_prog diff_prog_orig \
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diff_alt_prog diff_prog_alt diff_orig_alt diff_alt_orig \
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clean clobber install love haste waste maker easter_egg \
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sandwich supernova deep_magic magic charon pluto
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# Variable to decide if the emulator should save state (default no)
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#
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SAVE=0
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MAP=MAP_PRIVATE
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ifneq ($((SAVE)),0)
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MAP=MAP_SHARED
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endif
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${PROG}: ${PROG}.c rk05.bsd.fs
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${CC} ${CFLAGS} -DI='"rk05.bsd.fs"' -DA=4096 -DS=0173030 -DW=${MAP} -DT= -DX=5 -DY=128 \
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-DV=270 -DP='"89!>@@89T=@@89\"89DQ@K89$$89Q1@H0@@@P@1@@"' ${PROG}.c -o $@ ${LDFLAGS}
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rk05.bsd.fs: empty.fs.bz2 builddisk.bsd bsd.img.bz2
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${RM} -f $@
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${BZIP2} -dc empty.fs.bz2 > rk05.bsd.fs
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${BZIP2} -dc bsd.img.bz2 | ./builddisk.bsd
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# NOTE: we don't set -DW=${MAP} here because it's already set to MAP_SHARED and
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# we don't want to break anything here. The default for the program itself is
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# MAP_PRIVATE but it's possible that if MAP is set to MAP_PRIVATE then having W
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# set to MAP_PRIVATE here could be a problem as it's meant to be MAP_SHARED.
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builddisk.bsd: ${PROG}.c
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${CC} ${CFLAGS} -DI='"rk05.bsd.fs"' -DA=4096 -DS=0 -DW=MAP_SHARED -DT= -DX=0 -DY=0 -DV=270 \
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-DP='"Q@ 89D?A E@#?@$$D@H?<@E@$$8CA1@H8CJ4EH8CA1@L8CJ4FH)@!F@H%@$$1@H?@%89\"?<@89T89!Q@\"89$$89Q1@[%@#1@D<@ @EHO??@X@@@@@@@1@@"' \
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-o $@ ${PROG}.c
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rk05.v6.fs: empty.fs.bz2 builddisk.v6 v6.img.bz2
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@${RM} -f $@
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${BZIP2} -dc empty.fs.bz2 > rk05.v6.fs
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${BZIP2} -dc v6.img.bz2 | ./builddisk.v6
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# NOTE: we don't set -DW=${MAP} here because it's already set to MAP_SHARED and
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# we don't want to break anything here. The default for the program itself is
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# MAP_PRIVATE but it's possible that if MAP is set to MAP_PRIVATE then having W
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# set to MAP_PRIVATE here could be a problem as it's meant to be MAP_SHARED.
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builddisk.v6: ${PROG}.c
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${CC} ${CFLAGS} -DI='"rk05.v6.fs"' -DA=4096 -DS=0 -DW=MAP_SHARED -DT= -DX=0 -DY=0 -DV=270 \
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-DP='"Q@ 89D?A E@#?@$$D@H?<@E@$$8CA1@H8CJ4EH8CA1@L8CJ4FH)@!F@H%@$$1@H?@%89\"?<@89T89!Q@\"89$$89Q1@[%@#1@D<@ @EHO??@X@@@@@@@1@@"' \
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-o $@ ${PROG}.c
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empty.fs.bz2: boot.dat
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${RM} -f empty.fs
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${DD} if=/dev/zero of=empty.fs count=10800
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${DD} if=boot.dat of=empty.fs conv=notrunc
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${BZIP2} empty.fs
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v0: ${PROG}.c Makefile v0.image.fs
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${CC} ${CFLAGS} -DI='"v0.image.fs"' -DA=4096 -DS=0 -DW=${MAP} \
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-DT="INLCR|ICRNL,0,0,ECHO" -DX=5 -DY=128 -DV=200 \
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-DP='"89!?@@89T=@@89\"Q@M89DQ@L89$$89Q1@I0A@@P@X@@1@@"' ${PROG}.c -o $@
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@echo ""
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@echo "This IOCCC25 Makefile preserves the state of v0.image.fs at the time it won."
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@echo "If you want to look for v0.image.fs updates, try:"
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@echo ""
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@echo " ${CURL} ${IMAGE_FS_URL} -o v0.image.fs"
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@echo ""
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@echo "Warning: any updates from ${IMAGE_FS_URL}"
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@echo "are unofficial and are not part of this IOCCC entry."
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@echo ""
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v6: empty.fs.bz2 builddisk.v6 v6.img.bz2 rk05.v6.fs
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${CC} ${CFLAGS} -DI='"rk05.v6.fs"' -DA=4096 -DS=0173030 -DW=${MAP} -DT= -DX=5 -DY=128 \
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-DV=270 -DP='"89!>@@89T=@@89\"89DQ@K89$$89Q1@H0@@@P@1@@"' ${PROG}.c -o $@ ${LDFLAGS}
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v6.img.bz2: v6.tape.gz
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${RM} -f v6.tape
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${GZIP_PROG} -c -d v6.tape.gz | ${DD} of=v6.img count=4000 skip=100
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${BZIP2} v6.img
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@echo ""
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@echo "This IOCCC25 Makefile preserves the state of v6.tape.gz at the time it won."
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@echo "If you want to look for v6.tape.gz updates, try:"
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@echo ""
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@echo " ${CURL} ${V6_TAPE_URL} -o v6.tape.gz"
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@echo ""
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@echo "Warning: any updates from ${V6_TAPE_URL}"
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@echo "are unofficial and are not part of this IOCCC entry."
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@echo ""
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# alternative executable
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#
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alt: data ${ALT_TARGET}
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@${TRUE}
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# data files
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#
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data: ${DATA}
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@${TRUE}
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# both all and alt
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#
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everything: all alt
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@${TRUE}
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#####################
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# make a difference #
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#####################
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#
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# diff orig source and source
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#
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diff_orig_prog: ${PROG}.orig.c ${PROG}.c
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@-${DIFF} -u ${PROG}.orig.c ${PROG}.c
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# diff source and orig source
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#
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diff_prog_orig: ${PROG}.c ${PROG}.orig.c
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@-${DIFF} -u ${PROG}.c ${PROG}.orig.c
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# diff alt source and source
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#
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diff_alt_prog: ${PROG}.c
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@-if [[ -e ${PROG}.alt.c ]]; then \
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${DIFF} -u ${PROG}.alt.c ${PROG}.c; \
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fi
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# diff source and alt source
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#
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diff_prog_alt: ${PROG}.c
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@-if [[ -e ${PROG}.alt.c ]]; then \
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${DIFF} -u ${PROG}.c ${PROG}.alt.c; \
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fi
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# diff orig and alt
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#
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diff_orig_alt: ${PROG}.orig.c
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@-if [[ -e ${PROG}.alt.c ]]; then \
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${DIFF} -u ${PROG}.orig.c ${PROG}.alt.c; \
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fi
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# diff alt and orig
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diff_alt_orig:
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@-if [[ -e ${PROG}.alt.c ]]; then \
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${DIFF} -u ${PROG}.alt.c ${PROG}.orig.c; \
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fi
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###############
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# utility rules
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###############
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#
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clean:
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${RM} -f ${OBJ} ${ALT_OBJ}
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@-if [ -f indent.c ]; then \
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echo ${RM} -f indent.c; \
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${RM} -f indent.c; \
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fi
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clobber: clean
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${RM} -f ${TARGET} ${ALT_TARGET}
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${RM} -rf *.dSYM
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${RM} -f builddisk.bsd builddisk.v6 v0 rk05.bsd.fs rk05.v6.fs
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${RM} -f empty.fs.bz2 empty.fs v6.fs v6.img.bz2 v0.img v6.tape
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@-if [ -e sandwich ]; then \
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${RM} -f sandwich; \
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echo 'ate sandwich'; \
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fi
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install:
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@echo "Dr. Spock says that is not logical!"
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@${TRUE}
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# you may be able to misunderstand the source by reading indent.c
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#
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indent.c: ${PROG}.c
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@if which "${GINDENT}" >/dev/null 2>&1; then \
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echo ${RM} -f $@; \
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${RM} -f $@; \
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echo "${GINDENT} < $< > $@"; \
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${GINDENT} < $< > $@; \
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elif which "${INDENT}" >/dev/null 2>&1; then \
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echo ${RM} -f $@; \
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${RM} -f $@; \
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echo "${INDENT} < $< > $@"; \
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${INDENT} < $< > $@; \
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else \
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echo "no indent tool found, ident $< yourself, sorry"; \
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echo "exit 17"; \
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exit 17; \
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fi
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##################
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# 133t hacker rulz
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##################
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#
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love:
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@echo 'not war?'
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waste:
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@echo $@
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haste:
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${MAKE} waste
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maker: haste
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@echo 'Participate in a maker faire'
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${MAKE} love
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easter_egg: maker
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@echo "You are expected to often misunderstand this $${RANDOM} magic, Eggy!"
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@echo "chongo '<was here>' /\\oo/\\"
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@echo "p.s.: Careful with That Axe, Eugene!"
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sandwich: easter_egg
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@if [ `id -u` -eq 0 ]; then \
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echo 'Okay.'; \
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echo "$${RANDOM}`date +%s`$${RANDOM}" > $@; \
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else \
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echo 'What? Make it yourself.'; \
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echo "Did you forget the magic word?"; \
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fi
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# Understand the history of the Homebrew Computer Club
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# as well as the West Coast Computer Faire and
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# you might be confused different. :-)
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#
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supernova: sandwich
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@-if [ -r .code_anal ]; then \
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${RM} -f .code_anal_v6; \
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else \
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echo "Planet deniers, like some members of the IAU, are so cute when they try to defend their logic"; \
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fi
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@echo "A $@ helps ${MAKE} the elements that help form planets"
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deep_magic: supernova
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@-if [ -r .code_anal ]; then \
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ccode_analysis --deep_magic 7889066cdbdf09b0408021754586e895be641cc9be29e7eafd3ca65359541f17 \
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--FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
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else \
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echo "Wrong! Do it again!"; \
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sleep 1; \
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echo "Wrong! Do it again!"; \
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sleep 1; \
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echo "Wrong! Do it again!"; \
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fi
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magic: deep_magic
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@-if [ -r .code_anal ]; then \
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ccode_analysis --level 20003 --mode 5717175 --FNV1a_hash_512_bit -v2 "${PROG}" "${PROG}.c"; \
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else \
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echo "If you don't eat yer meat, you can't have any pudding!"; \
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echo "How can you have any pudding if you don't eat yer meat?!"; \
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fi
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# The IOCCC resident astronomer states
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#
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charon: magic
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@echo "$@ is a dwarf planet"
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@echo "Dwarf planets are a type of planet"
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@echo "Therefore IAU, $@ is a planet"
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pluto: charon
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@echo "See https://www.hou.usra.edu/meetings/lpsc2017/pdf/1448.pdf for a good definition of a planet"
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@echo "$@ is a dwarf planet"
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@echo "Dwarf planets are a type of planet"
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@echo "Therefore, $@ is a planet"
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@echo "The geophysical definition of planet gives us ~110 planets in our solar system"
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